| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5787 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 5327 |
| Brake pipe excessively corroded | 4993 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 2535 |
| Windscreen wiper does not clear the windscreen effectively | 2265 |
| Registration plate lamp issues | 1750 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1614 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1370 |
| Registration plate issues | 1245 |
| Nearside Stop lamp not working |1.2.1b| | 1190 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1184 |
| Offside Stop lamp not working |1.2.1b| | 1120 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1051 |
| Brake hose excessively deteriorated | 1050 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 841 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 839 |
| Offside Rear fog lamp not working |1.3.2b| | 773 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 772 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 768 |
| Rear parking brake recording little or no effort | 760 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 756 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 742 |
| Brakes imbalanced across an axle | 709 |
| Anti-lock braking system warning lamp indicates an ABS fault | 695 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 655 |
| Horn not working |1.6.2a| | 615 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 519 |
| Offside Rear Stop lamp not working |1.2.1b| | 517 |
| Service brake: efficiency below requirements |3.7.B.7| | 505 |
| Nearside Rear Stop lamp not working |1.2.1b| | 498 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 494 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 459 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 453 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 426 |
| Emissions not tested |7.0| | 411 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 359 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 335 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 306 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 299 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 298 |
| Windscreen has damage | 298 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 297 |
| Front brake disc in such a condition that it is seriously weakened | 297 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 294 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 283 |
| Offside Headlamp not working on main beam |1.7.5a| | 279 |
| Front Exhaust system not adequately supported |7.1.1| | 276 |
| Nearside Side repeater not working |1.4.A.2c| | 267 |
| Hazard warning switch faulty |1.4.B.1d| | 258 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 258 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 251 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 249 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 248 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 245 |
| Offside Side repeater not working |1.4.A.2c| | 238 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 230 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 226 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 220 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 220 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 218 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 218 |
| Nearside Headlamp not working on main beam |1.7.5a| | 215 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 205 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 202 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 201 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 198 |
| Parking brake lever has no reserve travel |3.1.6b| | 191 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 191 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 188 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 179 |
| Rear brake binding | 174 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 172 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 168 |
| Rear fog lamp not working |1.3.2b| | 161 |
| Windscreen wiper blade insecure | 160 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 160 |
| Rear brake application uneven | 160 |
| Front brake application uneven | 157 |
| Rear brake disc in such a condition that it is seriously weakened | 154 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 154 |
| Rear fog lamp tell tale not working |1.3.1b| | 152 |
| Front Steering damper leaking oil |2.2.C.1f| | 151 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 151 |
| Front Windscreen wiper blade deteriorated |8.2.2| | 148 |
| Offside Front coil spring fractured |2.4.C.1a| | 143 |
| Exhaust system not adequately supported |7.1.1| | 141 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 135 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 131 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 129 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 128 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 127 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 124 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 124 |
| Offside Front Lower Ball joint has excessive play |2.2.B.1f| | 121 |
| Rear Rear fog lamp not working |1.3.2b| | 120 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 116 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 116 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 113 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 108 |
| Direction indicators not working |1.4.A.2c| | 107 |
| Nearside Outer Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 104 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 103 |
| Front Direction indicator incorrect colour |1.4.A.2f| | 101 |
| Nearside Front Side repeater not working |1.4.A.2c| | 101 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 97 |
| Offside Outer Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 96 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 96 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 94 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 94 |
| Stop lamp not working |1.2.1b| | 94 |
| Nearside Steering pivot point has excessive play |2.2.B.1g| | 93 |
| Offside Headlamp aim not tested |1.8.A.1c| | 88 |
| Offside front brake binding |3.7.B.1| | 88 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 87 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 87 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 86 |
| Brake performance not tested |3.7.A.1| | 85 |
| Rear fog lamp switch faulty |1.3.1a| | 85 |